Miniature multifunctional analog circuit breaker

Abstract

The invention provides a small multifunctional analog circuit breaker which comprises a shell, a plurality of indicator lamps are arranged on the surface of the shell at equal intervals, a circuit board is arranged in the shell, an MCU chip is arranged on the circuit board, keys are arranged on the shell, and the keys and the indicator lamps are arranged up and down. A storage battery for supplying power to the circuit board is arranged in the shell; a plurality of remote signaling buttons are arranged on the upper surface of the shell at equal intervals, remote control buttons are arranged on the surface of the shell, and key hard remote signaling information of a switch-off position, a switch-on position, a remote control state, a ground switch position, a handcart position and an energy storage state can be fed back in real time through signal feedback through the remote signaling buttons and the remote control buttons; according to the invention, the equipment maintenance efficiency and safety can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of electrical components, in particular to a small multifunctional simulated circuit breaker. Background Art

[0002] Prior art grounding circuit breakers use a toroidal sensing core as a sensor element. The hot and neutral wires between the circuit breaker contacts and the circuit breaker load terminals pass through the core, and a coil wound around the core senses the magnetic field generated by the current imbalance in the two conductors and outputs a signal to the detection circuit. Although grounding circuit breakers have become more compact in recent years, they are generally larger in size (width and length) than standard circuit breakers due to the need for a toroidal magnetic coil and the necessary detection path. This raises certain issues.

[0003] On the production line, the circuit breaker has a different breaking mechanism from other similar standard circuit breakers, which increases complexity and reduces productivity. The old distribution substation automation equipment in the current power system is generally aging, damaged and does not meet the latest industry standards. Summary of the invention

[0004] In view of this, an object of the present invention is to provide a small multifunctional simulated circuit breaker that can improve equipment maintenance efficiency and safety.

[0005] The present invention is implemented by the following method: a small multifunctional simulated circuit breaker comprises a shell, a plurality of indicator lights are arranged at equal distances on the surface of the shell, a circuit board is arranged inside the shell, an MCU chip is arranged on the circuit board, a button is arranged on the shell, the button and the indicator light are arranged up and down, and a battery for powering the circuit board is arranged inside the shell; a plurality of remote signal buttons are arranged at equal distances on the upper surface of the shell, and a remote control button is arranged on the surface of the shell, and key hard remote signal information of open position, closed position, remote control state, ground knife position, trolley position and energy storage state can be fed back in real time through signal feedback through the remote signal button and the remote control button.

[0006] Furthermore, the circuit board includes a PCB board, the battery is arranged at the upper right corner of the upper surface of the PCB board, a plurality of connectors are equidistantly arranged at the lower end of the front side and the lower end of the right side of the PCB board, the MCU chip is arranged at the upper end of the left side of the upper surface of the PCB board, a plurality of signal relays are equidistantly arranged at the lower end and the right side of the upper surface of the PCB board, and the signal relay is arranged on the inner side of the connector, polarity electrolytic capacitors are arranged on both the upper and lower sides of the right end of the upper surface of the PCB board, and the polarity electrolytic capacitors are arranged between the signal relay and the connector, and a plurality of rectifier diodes are arranged on the PCB board.

[0007] Furthermore, the multiple remote signal buttons are respectively an un-energy-stored button, a low-pressure button, a remote button, an isolation button and a grounding button, and the multiple remote signal buttons are electrically connected to the MCU chip through signal feedback.

[0008] Furthermore, the remote control button includes a closing button and an opening button.

[0009] Furthermore, the control circuit in the circuit board includes a U2A chip, a resistor R26, a capacitor C8, a resistor R6, a resistor R0, a resistor R8 and a capacitor C9, a pin 11 of the U2A chip is connected to the HZVSign port, a pin 12 of the U2A chip is connected to the FZVSign port, a pin 13 of the U2A chip is connected to the SAM BATV port, a pin 14 of the U2A chip is connected to the k wqn port, and a pin 15 of the U2A chip is connected to the k The dqy port is connected, the pin 16 of the U2A chip is connected to the HZSSign port, the pin 17 of the U2A chip is connected to the FZSSign port, the pins 4, 18, 19, 20, 21, 39 to 46 of the U2A chip are all connected to the indicator light, the pin 27 of the U2A chip is connected to the isolation switch, the pin 28 of the U2A chip is connected to the ground knife, the pin 44 of the U2A chip is connected to the resistor One end of R6 is connected and set, and the other end of the resistor R6 is grounded, pin 7 of the U2A chip is connected to one end of the capacitor C9 and one end of the resistor R8, the other end of the capacitor C9 is grounded, the other end of the resistor R8 is connected in series with one end of the resistor R0 and then connected to the VDD port, the other end of the resistor R0 is connected and set to the VDDIAP port, pin 37 of the U2A chip is connected to one end of the resistor R26, pin 2 of the U2A chip is connected to one end of the capacitor C8, and the other end of the resistor R26 is connected in series with the other end of the capacitor C8 and then grounded.

[0010] The beneficial effects of the present invention are as follows: the present invention, with its excellent compatibility, long-lasting endurance, convenient charging method and compact and flexible design, has become an ideal choice for solving the problem of live debugging of automation equipment in the power industry; it not only improves work efficiency and reduces maintenance costs, but also provides a solid guarantee for the safe and stable operation of the power system; it is designed to solve the challenges of difficult power outages and complex debugging of equipment already in operation, and can greatly improve the efficiency and safety of equipment maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the present invention.

[0012] Figure 2It is a structural schematic diagram of the circuit board.

[0013] Figure 3 is a circuit schematic diagram of the circuit board. DETAILED DESCRIPTION

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] See also Figure 1As shown, the present invention provides an embodiment: a small multifunctional simulated circuit breaker comprises a shell 1, a plurality of indicator lights 2 are arranged at equal distances on the surface of the shell 1, a circuit board 6 is arranged in the shell 1, an MCU chip is arranged on the circuit board 6, a button 3 is arranged on the shell 1, the button 3 and the indicator light 2 are arranged up and down, and a battery for powering the circuit board is arranged in the shell 1; a plurality of remote signal buttons 4 are arranged at equal distances on the upper surface of the shell 1, and a remote control button 5 is arranged on the surface of the shell 1, and key hard remote signal information of open position, closed position, remote control state, ground knife position, trolley position and energy storage state can be fed back in real time through signal feedback through the remote signal button 4 and the remote control button 5. The multiple indicator lights include closing (active-red): lights up at the time of triggering, opening (active-green): lights up at the time of triggering, closing (passive-red): lights up at the time of triggering, opening (passive-green): lights up at the time of triggering, closing position (red): lights up when triggered, opening position (green): lights up when triggered, no energy storage (blue 1): lights up when triggered, low pressure (blue 2): lights up when triggered, remote (blue 3): lights up when triggered, isolation / cart (blue 4): lights up when triggered, ground switch (blue 5): lights up when triggered; the remote signal button 4 includes button triggering, signal feedback and wiring, and the corresponding remote signal position on the terminal is connected to the common end, and fed back to the host computer. When the wiring is active, the remote signal common end of the host computer is connected to the remote signal power supply DC + / - pole, AC L / N, and the other pole of the power supply is connected to the modular remote signal common, and the corresponding remote signal position of the host computer is connected to the corresponding position of the modular disconnection. When the wiring is passive, the upper computer remote signal and public access module can be connected to the corresponding position; the remote control button includes button trigger, terminal trigger and wiring, button trigger, closing button: press to trigger closing (passive) remote control, feedback closing remote signal; opening button: press to trigger opening (passive) remote control, feedback opening remote signal; terminal trigger includes closing (active): add AC / DC24-220V voltage to the first closing and the second closing; trigger closing (active) remote control, feedback closing remote signal; opening (active): add AC / DC24-220V voltage to the first opening and the second opening. Trigger opening (active) remote control, feedback opening remote signal; active wiring closing: upper computer remote control / protection closing, closing + / - access to the first closing, remote control / protection public, closing (the other pole) access to the second closing. Opening: upper computer remote control / protection closing, closing + / - access to the first closing, remote control / protection public, closing (the other pole) access to the second closing. Passive wiring closing: The upper computer remote control / protection closing is connected to the closing position of group one / group two. Public is connected to public. Opening: The upper computer remote control / protection opening is connected to the opening position of group one / group two, public is connected to public, and the button 3 is the power on / off button.

[0016] Please continue reading Figure 2As shown, in one embodiment of the present invention, the circuit board 6 includes a PCB board 61, the battery 62 is arranged at the upper right corner of the upper surface of the PCB board 61, a plurality of connectors 63 are arranged at equal distances at the lower end of the front and the lower right end of the PCB board 61, the MCU chip 64 is arranged at the upper left end of the upper surface of the PCB board 61, a plurality of signal relays 65 are arranged at equal distances at the lower end and the right side of the upper surface of the PCB board 61, and the signal relay 65 is arranged inside the connector 63, and polar electrolytic capacitors 66 are arranged at both upper and lower sides of the right end of the upper surface of the PCB board 61, and the polar electrolytic capacitors 66 are arranged between the signal relay 65 and the connector 63, and a plurality of rectifier diodes 67 are arranged on the PCB board 61. The connector 63 is connected to a plurality of indicator lights for receiving signals, and the signal relay 65 is connected to the remote signal button 4 and the remote control button 5 for receiving signals, so as to realize the control function of the overall electrical components.

[0017] It is worth mentioning that it also includes power on / off, charging and power display. Power on / off includes power on: long press the power button for 3 seconds until the running light is on for a long time; power off: press the power off button twice quickly in succession to shut down; charging includes plugging the power supply into the Type-C interface, the charging light (red) lights up and flashes until it turns blue and is always on, which means it is fully charged; power display includes power on, 5 remote signal indicator lights (blue lights), each with 20% power. For example: 3 lights are on, which means the current power is about 20%*3=60%.

[0018] Please continue reading Figure 1 As shown, in one embodiment of the present invention, a plurality of remote signal buttons 4 are respectively an un-energy-storage button 41, a low-pressure button 42, a remote button 43, an isolation button 44 and a grounding knife button 45, and a plurality of remote signal buttons 4 are electrically connected to the MCU chip through signal feedback. Un-energy-storage button: press to trigger un-energy-storage remote signal, press again to release; low-pressure button: press to trigger low-pressure remote signal, press again to release; remote button: press to trigger remote remote signal, press again to release; isolation / cart button: press to trigger isolation / cart remote signal, press again to release; grounding knife button: press to trigger grounding knife remote signal, press again to release.

[0019] Please continue reading Figure 1As shown, in one embodiment of the present invention, the remote control button 5 includes a closing button 51 and an opening button 52. The closing button: Pressing triggers the closing (passive) remote control and feedbacks the closing position remote signal; the opening button: Pressing triggers the opening (passive) remote control and feedbacks the opening position remote signal; the closing (active): Add AC / DC24-220V voltage to the first closing and the second closing; Trigger the closing (active) remote control and feedback the closing position remote signal; the opening (active): Add AC / DC24-220V voltage to the first opening and the second opening. Trigger the opening (active) remote control and feedback the opening position remote signal.

[0020] Please continue reading Figure 3 As shown, in one embodiment of the present invention, the control circuit in the circuit board includes a U2A chip, a resistor R26, a capacitor C8, a resistor R6, a resistor R0, a resistor R8 and a capacitor C9, a pin 11 of the U2A chip is connected to the HZVSign port, a pin 12 of the U2A chip is connected to the FZVSign port, a pin 13 of the U2A chip is connected to the SAM BATV port, a pin 14 of the U2A chip is connected to the k wqn port, a pin 15 of the U2A chip is connected to the k The dqy port is connected, the pin 16 of the U2A chip is connected to the HZSSign port, the pin 17 of the U2A chip is connected to the FZSSign port, the pins 4, 18, 19, 20, 21, 39 to 46 of the U2A chip are all connected to the indicator light, the pin 27 of the U2A chip is connected to the isolation switch, the pin 28 of the U2A chip is connected to the ground knife, the pin 44 of the U2A chip is connected to the resistor One end of R6 is connected and set, and the other end of the resistor R6 is grounded. Pin 7 of the U2A chip is connected and set with one end of the capacitor C9 and one end of the resistor R8, and the other end of the capacitor C9 is grounded. The other end of the resistor R8 is connected in series with one end of the resistor R0 and then connected to the VDD port. The other end of the resistor R0 is connected and set with the VDDIAP port. Pin 37 of the U2A chip is connected and set with one end of the resistor R26, and pin 2 of the U2A chip is connected and set with one end of the capacitor C8, and the other end of the resistor R26 is connected in series with the other end of the capacitor C8 and then grounded. The U2A chip is STM32F103C8T6, so that the externally connected voltage, current, temperature, feedback, control and other signals are connected to the power board through the U2A chip, and then connected to the main controller board, so as to realize the convenient connection and disconnection of each external signal with the main controller.

[0021] The present invention can accurately simulate the opening and closing control operations of various 10KV switches, and can easily cope with daily live debugging and troubleshooting. At the same time, it can provide real-time feedback on key hard telesignal information such as opening and closing positions, remote control status, ground switch position, trolley position and energy storage status, ensuring accurate information transmission.

[0022] Wide compatibility: In terms of remote control, this product is compatible with all DC / AC 24V to 220V control power supplies, without distinguishing between positive and negative poles, and even supports passive remote control functions, which greatly broadens the use scenarios and equipment compatibility. Similarly, in terms of remote signaling, it also achieves wide compatibility with DC / AC 24V to 220V remote signaling power supplies, including passive remote signaling, to meet the diverse needs of power systems.

[0023] Long-lasting battery life design: Built-in high-performance 18650 lithium battery with a capacity of 2000mAh ensures that the device can remain in standby mode for a long time without an external power source, providing continuous support for on-site operations.

[0024] Convenient charging experience: It adopts the widely popular Type-C charging interface and supports fast charging with ordinary power banks. Whether in the office or outdoor work site, it can easily achieve fast charging to ensure that the device is ready at any time.

[0025] Small and portable, flexible application: The product has a compact design, with dimensions of only 125mm long x 75mm wide x 35mm high. It is ultra-light and portable. Whether it is a narrow distribution room or a complex on-site environment, it can be easily carried and flexibly deployed, bringing unprecedented convenient experience to power workers.

[0026] Application scenarios of the present invention include: upgrading and debugging of automation equipment in old power distribution stations, simulation testing and acceptance of newly built power distribution stations, daily maintenance and troubleshooting of power equipment, and simulation operation exercises in power system teaching and training.

[0027] The battery, PCB board, signal relay, connector, polar electrolytic capacitor and rectifier diode in the present invention are all prior arts, and those skilled in the art are already well aware of them, so they will not be described in detail here.

[0028] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made according to the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A small multifunctional simulated circuit breaker, characterized in that: It comprises a shell, a plurality of indicator lights are arranged at equal distances on the surface of the shell, a circuit board is arranged inside the shell, an MCU chip is arranged on the circuit board, a button is arranged on the shell, the button and the indicator light are arranged up and down, and a battery for powering the circuit board is arranged in the shell; a plurality of remote signal buttons are arranged at equal distances on the upper surface of the shell, and a remote control button is arranged on the surface of the shell, and key hard remote signal information of open position, closed position, remote control status, ground knife position, trolley position and energy storage status can be fed back in real time through signal feedback through the remote signal button and the remote control button.

2. A small multifunctional simulated circuit breaker according to claim 1, characterized in that: The circuit board includes a PCB board, the battery is arranged at the upper right corner of the upper surface of the PCB board, a plurality of connectors are arranged at equal distances at the lower end of the front side and the lower end of the right side of the PCB board, the MCU chip is arranged at the upper end of the left side of the upper surface of the PCB board, a plurality of signal relays are arranged at equal distances at the lower end and the right side of the upper surface of the PCB board, and the signal relay is arranged on the inner side of the connector, polar electrolytic capacitors are arranged on both upper and lower sides of the right end of the upper surface of the PCB board, and the polar electrolytic capacitors are arranged between the signal relay and the connector, and a plurality of rectifier diodes are arranged on the PCB board.

3. A small multifunctional simulated circuit breaker according to claim 1, characterized in that: The multiple remote signal buttons are respectively an un-energy-stored button, a low-pressure button, a remote button, an isolation button and a grounding button. The multiple remote signal buttons are electrically connected to the MCU chip through signal feedback.

4. A small multifunctional simulated circuit breaker according to claim 1, characterized in that: The remote control button includes a closing button and an opening button.

5. A small multifunctional simulated circuit breaker according to claim 1, characterized in that: The control circuit in the circuit board includes a U2A chip, a resistor R26, a capacitor C8, a resistor R6, a resistor R0, a resistor R8 and a capacitor C9, a pin 11 of the U2A chip is connected to the HZVSign port, a pin 12 of the U2A chip is connected to the FZVSign port, a pin 13 of the U2A chip is connected to the SAM BATV port, a pin 14 of the U2A chip is connected to the k wqn port, a pin 15 of the U2A chip is connected to the k The dqy port is connected, the pin 16 of the U2A chip is connected to the HZSSign port, the pin 17 of the U2A chip is connected to the FZSSign port, the pins 4, 18, 19, 20, 21, 39 to 46 of the U2A chip are all connected to the indicator light, the pin 27 of the U2A chip is connected to the isolation switch, the pin 28 of the U2A chip is connected to the ground knife, the pin 44 of the U2A chip is connected to the resistor One end of R6 is connected and set, and the other end of the resistor R6 is grounded, pin 7 of the U2A chip is connected to one end of the capacitor C9 and one end of the resistor R8, the other end of the capacitor C9 is grounded, the other end of the resistor R8 is connected in series with one end of the resistor R0 and then connected to the VDD port, the other end of the resistor R0 is connected and set to the VDDIAP port, pin 37 of the U2A chip is connected to one end of the resistor R26, pin 2 of the U2A chip is connected to one end of the capacitor C8, and the other end of the resistor R26 is connected in series with the other end of the capacitor C8 and then grounded.

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